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- W2069773984 abstract "In this paper the operation principles of a new folded ultra-thin-layer solar cell are being discussed. The cell was introduced recently by Graetzel and coworkers. The relationship between photocurrent and luminescence in this cell is derived for the simplest kinetic scheme appropriate for this type of solar cell. It involves three stages, i.e. four levels. In our simpel model these stages are connected by rate constants. We show picosecond time-resolved measurements of the luminescence decay curve and of the luminescence spectrum of the triplet state of the adsorbed trinuclear-Ruthenium dye molecules. Picosecond time-resolution of these signals is essential for distinguishing between relevant and irrelevant luminescence signals emitted from the cell. Moderately fast electron injection from the triplet state of this dye with 172 ps time constant yields very efficient conversion of absorbed photons to injected electrons. The time-response of the photocurrent is determined by the filling and emptying of traps in the depletion layer. We discuss the potential of this cell for the photovoltaic solar energy conversion." @default.
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- W2069773984 date "1992-12-09" @default.
- W2069773984 modified "2023-10-17" @default.
- W2069773984 title "Time-resolved luminescence, photocurrent, and simple reaction scheme for a folded ultrathin-layer solar cell (Invited Paper)" @default.
- W2069773984 doi "https://doi.org/10.1117/12.130564" @default.
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